///////////nav///////////////
	var ul = document.getElementById('list');
	//console.log(ul)
	var oLi = ul.querySelectorAll('li');
	//console.log(oLi)
	for(let i=0;i<oLi.length;i++){
		oLi[i].onmouseover = function(){
			//console.log(i);
		oLi[i].querySelector("a").style.color='#fabe00';
		}
		oLi[i].onmouseout = function(){
			//console.log(i);
			oLi[i].querySelector("a").style.color='#999999';
		}
	}
	/////////////网站导航//////////////
	var grand = document.getElementById("grand");
	var siteMapWrap = document.getElementById("site_map_wrap")
	grand.onmouseover = function(){
		siteMapWrap.style.display = "block";
	}
	grand.onmouseout = function(){
		siteMapWrap.style.display = "none";
	}


